Log Message:
Update to 2.6.0:

Overview of Changes in 2.6.0 (since 2.2.0)
==========================================
* Autogen.sh updates [ James Henstridge ]
* Pixbuf Engine Moved to GTK+ 2.6 [ Matthias Clasen ]
* Remove old Pixbuf, and Notif Sources [ Thomas Wood ]
* Add COPYING.GPL/COPYING.LGPL [ Thomas ]
* Rewrite/Cleanup Redmond95 Engine [ Andrew Johnson ]
* Replace Redmond95 Theme with Redmond Theme [ Andrew ]
* Revise Engine/Theme Build Layout [ Andrew/Thomas ]
* Add Crux Engine and Theme [ Andrew, Thomas ]
* Add HC Engine [ Andrew, Thomas ]
* Add Industrial Engine and Theme [ Andrew, Thomas]
* Add LightHouseBlue Engine and Theme [ Andrew, Thomas ]
* Add Mist Engine and Theme [ Andrew, Thomas ]
* Add Smooth Engine [ Andrew, Thomas ]
* Add ThinIce Engine and Theme [ Andrew, Thomas ]
* Improve Smooth/Redmond/Industrial Engines for RTL Locales [ Andrew ]
* Update README, add COPYING list of licences [ Andrew ]